Translate to a proportion and solve. Round to the nearest hundredth, if necessary.5% of 400 is what number?

A. 200
B. 2
C. 20
D. 0.2


Answer: C

Mathematics

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Find the volume of the solid generated by revolving the region about the y-axis.The region in the first quadrant bounded on the left by y = x3, on the right by the line , and below by the x-axis

A. ?
B. ?
C. ?
D. ?

Mathematics

For an election with four candidates (A, B, C, and D) we have the following preference schedule: The ranking of the candidates using the pairwise comparisons method is

A. first: D; second: C; third: A; fourth: B. B. first: A; second: C; third: D; fourth: B. C. first: D; second: A; third: C; fourth: B. D. first: A; second: D; third: C; fourth: B. E. none of these

Mathematics

Simplify.

A.
B.
C.
D.

Mathematics

Prove the identity. = 

What will be an ideal response?

Mathematics